Abstract
New quinazolin-4-one derivatives, 6-bromo-2-methyl-3-(substituted phenyl)-(3H)-quinazolin-4-one, were synthesized and evaluated for antimicrobial and antiinflammatory activities. The structures attributed to synthesized compounds 1-8 were supported by the results of elemental analysis as well as by the UV, IR and 1H NMR spectral data. Investigation of antimicrobial activity was performed using cup-plate agar diffusion method against Bacillus subtilis, Staphylococcus aureus and Pseudomonas aeruginosa and Candida albicans, Aspergillus niger and Curvularia lunata. Antiinflammatory activity was evaluated using the carrageenan-induced paw oedema test in rats. The results showed that compounds 2b, 2c, 2d, 2g and 2h exhibited significant antibacterial and antifungal activity comparable to standard drugs and compounds 2b and 2c showed good antiinflammatory activity comparable to ibuprofen.
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